diff --git a/NodeFlow/FlowEnvironment.cs b/NodeFlow/FlowEnvironment.cs
index a02dbf7..c1e0e32 100644
--- a/NodeFlow/FlowEnvironment.cs
+++ b/NodeFlow/FlowEnvironment.cs
@@ -520,7 +520,7 @@ namespace Serein.NodeFlow
                 for (int i = 0; i < pnc.Value.Count; i++)
                 {
                     NodeModelBase? pNode = pnc.Value[i];
-                    pNode.SuccessorNodes[pCType].Remove(pNode);
+                    pNode.SuccessorNodes[pCType].Remove(remoteNode);
 
                     OnNodeConnectChange?.Invoke(new NodeConnectChangeEventArgs(pNode.Guid,
                                                                     remoteNode.Guid,
@@ -583,7 +583,6 @@ namespace Serein.NodeFlow
 
         }
 
-
         /// <summary>
         /// 移除连接关系
         /// </summary>